and downstream from that, a deep system is developing. this is incredibly deep for the hawaiian islands this time of the year. ahead of that, there has to be high-pressure. that is right over us. it is taking everything and sending it way to the north. all the way to the pacific northwest. i would look for rain and a lot of cloud cover. they will be dealing with that system probably for a few days. high-pressure doesn't show much sign of it breaking down. until then, it will be warm to hot for the end of the month. 70s for many. upper 80s to near 90. tomorrow looks even warmer. 70s yesterday. santa rosa, san francisco, concord -- 80s to near 90. the temperature trend, plus 18, plus the 14, plus 16, 11, plus eight -- compared to 24 hours ago. there is a northerly direction -- thankfully it is not that strong at the surface.